Aftertreatment method for liquid disperse dye
A technology for liquid disperse dyes and slurries, applied in dyeing methods, organic dyes, textiles and papermaking, etc., can solve the problems of short shelf life, easy sedimentation, troublesome transportation and storage, etc. , the effect of high color fastness
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Embodiment 1
[0024] 1. In a four-neck flask equipped with a condenser, thermometer, stirrer and feeding port, add C.I. Disperse Blue B291 filter cake 70g (dry weight), C.I. Disperse Orange 61 filter cake 20g (dry weight), C.I. Disperse Violet 93 : 1 filter cake 10g (dry weight) and 150g water, add 5g triglycerol monostearate and 1g aniline again, stir beating for 2 hours, be warming up to 95 ℃~100 ℃, insulated and slowly stirred for 3 hours;
[0025] 2. Cool the slurry liquid obtained in step 1 to room temperature, add 60g sodium lignosulfonate and 20g diffusing agent NNO, add water to control the liquid-solid content of the slurry to 45%, and grind for 5 hours with a sand mill to obtain the slurry , the diffusibility of the slurry is detected to reach level 4 or above, and the shade, strength, and spots of the slurry are controlled to be qualified;
[0026] 3. Transfer the qualified slurry in step 2 to a flask with a stirrer and a feeding port, slowly add 0.8g of guar gum while stirring, ...
Embodiment 2
[0029] 1. In a four-neck flask equipped with a condenser, thermometer, stirrer and feeding port, add C.I. Disperse Red 167 filter cake 100g (dry weight) and 150g water, then add 3g triglycerol monostearate and 1g Aniline, stirring and beating for 2 hours, heating up to 95°C-100°C, keeping warm and stirring slowly for 3 hours;
[0030] 2. Cool the slurry obtained in step 1 to room temperature, add 30g dispersant MF and 30g lignin 85A, add water to control the liquid-solid content of the slurry to 39%, grind for 4 hours with a sand mill to obtain the slurry, and detect that its diffusivity reaches Grade 4 or above; control the shade, strength, and spots of the paste;
[0031] 3. Move the qualified slurry in step 2 to a flask with a stirrer and a feeding port, slowly add 0.9 g of modified xanthan gum while stirring, and stir for 1 to 2 hours after feeding;
[0032] 4. Filter the slurry obtained in step 3 through a 300-mesh double-layer sieve to obtain a liquid disperse dye with ...
Embodiment 3
[0034] 1. In a four-neck flask equipped with a condenser, thermometer, stirrer and feeding port, add C.I. Disperse Blue 79 filter cake 41.5g (dry weight), C.I. Disperse Orange 44 filter cake 49.1g (dry weight), C.I. Purple 93 filter cake 9.4g (dry weight) and 150g water, add 5g tripolyglycerol laurate and 1g N, N-diethylaniline, stir and beat for 2 hours, heat up to 95 ° C ~ 100 ° C, keep warm and stir slowly for 3 Hour;
[0035] 2. Cool the slurry liquid obtained in step 1 to room temperature, add 80g sodium lignosulfonate, add water to control the liquid-solid content of the slurry to 42%, grind for 5 hours with a sand mill to obtain the slurry, and detect its diffusivity Reach grade 4 or above, and control the shade, strength, and spots of the paste;
[0036] 3. Transfer the qualified slurry in step 2 to a flask with a stirrer and a feeding port, slowly add 1 g of guar gum while stirring, and then stir for 1 to 2 hours after feeding;
[0037] 4. Filter the slurry obtained...
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